Supplemental Quarterly Financial Data (Unaudited) (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Dec. 31, 2015	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Net Revenues	$ 142,486	$ 132,571	$ 133,437	$ 142,148	$ 156,576	$ 161,670	$ 174,845	$ 172,920	$ 550,642	$ 666,011	$ 742,045
Gross Profit	27,786	25,223	26,215	26,969	22,796	20,028	31,207	26,761	106,193	100,792	140,332
Income (Loss) Before Taxes	5,825	6,248	5,331	20,709	(90,170)	(16,447)	3,061	(3,034)	38,113	(106,590)	26,240
Income Tax Expense (Benefit)	2,989	1,234	1,470	7,159	(24,997)	(6,932)	1,279	(1,061)	12,852	(31,711)	6,373
Net Income (Loss)	$ 2,836	$ 5,014	$ 3,861	$ 13,550	$ (65,173)	$ (9,515)	$ 1,782	$ (1,973)	$ 25,261	$ (74,879)	$ 19,867
Earnings (Loss) Per Share
Basic earnings (loss) per share (in dollars per share)	$ 0.25	$ 0.45	$ 0.35	$ 1.22	$ (5.88)	$ (0.86)	$ 0.16	$ (0.18)	$ 2.27	$ (6.78)	$ 1.82
Diluted earnings (loss) per share (in dollars per share)	$ 0.25	$ 0.44	$ 0.34	$ 1.21	$ (5.88)	$ (0.86)	$ 0.16	$ (0.18)	$ 2.24	$ (6.78)	$ 1.79